Boiler



(No Hadel.)

G. P. WASHBURN. BOILER.

Patented Nov. 17; 1896.

WITNESSES:

ATTORNEY.

UNITED STATES ATENT FFIQE.

GEORGE P. 'WASIIBURN, OF MCGREGOR, IOlVA.

BOILER.

SPECIFICATION forming part of Letters Patent No. 571,713, dated November17, 1896.

Application filed September 9, 1896. Serial No. 605,330. (No model.)

To all whom it may concern.-

Be it kn own that I, GEORGE P. Wasnnuan, of llIcGregor, in the county ofClayton and State of Iowa, have invented an Improved Boiler, of whichthe following is a specification.

The present invention relates to certain improvements in boilers, andmore especially in the arrangement of the draft in heaters which areused for cooking vegetables and heating water in large quantities.

"With these objects in view the invention consists of the details ofconstruction and arrangement which will more fully appear hereinafter.

In the accompanying drawings, which form a part of this application,Figure l is a longitudinal. vertical sectional view showing the heaterplaced in a barrel. Fig. 2 is a top plan view with the lid or coverremoved. Fig. 3 is a view showing the application of my draft.

Like numerals and letters of reference indicate corresponding parts inthe several views.

In the practical application of my invention I use a tank or barrel A,of any ordinary construction, for the water, &c., to be heated. Theheater B is placed in the barrel or tank, so as to rest on the bottomthereof and to extend above the water therein, as is naturally thecasein all agricultural boilers of this class. The said heater is to bemade of any suitable material and consists of the furnace fire-pot orcombustion-chamber 0, preferably cylindrical in form and adapted to reston the bottom of the barrel or tank and extend up through the top ofsaid barrel. The bottom 2 of the said furnace-pot, as is usually thecase, is located a short distance above the lower edges of the sidesthereof and has openings 3 for the free circulation of the water underthe bottom of the said heater. A concentric partition 4:, constituting afuel magazine or feeder, depends from the top 5 of the said heater downinto the same a short distance from the bottom of the said heater. Thesaid partition t is attached at the top to cover '7, which fits downinto the chamber 0. The said cover 7 is provided with the lid 8, whichacts as a cover to the fuel-magazine. A smoke-outlet 9 is provided atthe top of the cover 7 lVhen the magazine is clogged with the fuel andit is desired to increase the draft and to provide an increased supplyof air in order to insure perfect combustion of the fuel, I provide adamper 10, situated at the lower end of the said f uel-magazine. Thesaid damper fits into the guideways c and is operated by the draft-rodd, the lower end of which is connected to the top of the said damper,the said damper-rod cl projecting upward through the said cover where itcan be easily operated.

Having thus described my invention, What I claim, and desire to secureby Letters Patent, is-

In the herein-described heater, consisting of a fire-pot, as described,the fuel-magazine depending from the top thereof, a cover, a lidsituated on said cover and adapted to cover the fuel-magazine, asmoke-outlet, a draftdamper situated at the lower end of thefuelmagazine, said draft-damper fitting in guideways, guideways for thereception of said damper, means for operating said damper consisting ofa rod attached at the lower end to the top of the said damper andpassing up throu gh the said cover, substantially as shown anddescribed.

In testimony whereof I affix my signature in the presence of twowitnesses.

GEORGE P. IVASI-IBURN. lVitnesses:

F. M. N nwooms, S. Nonrnoorr.

